航天推进技术研究院主办
[1]单立杰,宁继荣,肖明杰.可再充填起动篮芯柱结构排气管流体传输规律与仿真[J].火箭推进,2020,46(05):57-65101.
SHAN Lijie,NING Jirong,XIAO Mingjie.Research on fluid transmission law and simulation of refillable start-basket with core structure exhaust pipe[J].Journal of Rocket Propulsion,2020,46(05):57-65101.
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SHAN Lijie,NING Jirong,XIAO Mingjie.Research on fluid transmission law and simulation of refillable start-basket with core structure exhaust pipe[J].Journal of Rocket Propulsion,2020,46(05):57-65101.
可再充填起动篮芯柱结构排气管流体传输规律与仿真
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
46
期数:
2020年05期
页码:
57-65101
栏目:
研究与设计
出版日期:
2020-10-20
- Title:
- Research on fluid transmission law and simulation of refillable start-basket with core structure exhaust pipe
- 文章编号:
- 1672-9374(2020)05-0057-09
- Keywords:
- refillable start-basket; self-maintenance of propellant; microgravity fluid mechanics; interior corner flow
- 分类号:
- V434.23
- 文献标志码:
- A
- 摘要:
- 保持排气管顶端多孔毛细元件的润湿,在微重力或较小干扰加速度下实现推进剂自保持,是可再充填起动篮研制过程中重点关注的问题之一。根据微重力流体力学和内角自流理论,结合起动篮的工作过程,分析了排气管顶端多孔毛细元件的润湿问题,设计了芯柱结构作为该问题的解决方案,针对两种典型工况,通过FLOW-3D软件进行了仿真计算,验证所设计芯柱能很好地实现介质导流抽吸,具备工程应用价值。进一步仿真分析了引流片数目对导流效果的影响以及柱形十字板的导流效果。
- Abstract:
- Keeping the capillary components at the top of the exhaust pipe moistened and propellant self-retaining under microgravity or low interference acceleration is one of the key issues in the development of refillable start-basket.Based on the theory of microgravity fluid mechanics and interior corner flow, combined with the working process of the start-basket, the wetting problem of the capillary components at the top of the exhaust pipe was analyzed, and the core structure was designed as a solution to this problem.The simulation calculation was carried out by FLOW-3D software, which verified that the designed core can realize the medium guiding suction well, and has engineering applicationvalue.Further simulation analyzed the effect of the number of deflector on the diversion effect and the diversion effect of the cross plate.
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备注/Memo
收稿日期:2020-04-23; 修回日期:2020-05-21
基金项目:液体火箭发动机重点实验室基金(6142704060210)
作者简介:单立杰(1994—),男,硕士,研究领域为航天压力容器设计
更新日期/Last Update:
2020-10-20